课后作业逻辑调整

mec-biz/src/main/java/com/ym/mec/biz/service/impl/CourseReviewServiceImpl.java

@@ -213,7 +213,7 @@ public class CourseReviewServiceImpl extends BaseServiceImpl<Integer, CourseSche
                 if(Objects.nonNull(existHomework)){
                     existHomework.setContent(courseScheduleReview.getHomeWork());
                     existHomework.setExpiryDate(DateUtil.addDays(date, 7));
-                    courseHomeworkService.insert(existHomework);
+                    courseHomeworkService.update(existHomework);
                 }else{
                     courseHomework.setContent(courseScheduleReview.getHomeWork());
                     courseHomework.setCourseScheduleId(courseSchedule.getId());